Thermostats
Genuine Thermostats for Diesel Engines - Onan, Cummins & Fleetguard
Maintain precise temperature regulation and protect your diesel engine with our authentic thermostats. Designed specifically for Onan, Cummins, and Fleetguard power engines, these thermostats ensure efficient cooling system operation and prevent overheating.
Thermostats for Reliable Diesel Engine Temperature Management
Our collection features genuine thermostats, temperature regulators, and engine cooling components engineered to meet strict OEM standards. Ideal for maintaining your diesel engine’s optimal performance and longevity.
- OEM Quality: Manufactured to exact Onan, Cummins, and Fleetguard specifications for guaranteed fit and function.
- Durability: Built to withstand high temperatures and harsh operating conditions for long-lasting reliability.
- Enhanced Engine Efficiency: Ensures consistent engine temperature, reducing wear and improving fuel economy.
Why Choose Our Genuine Thermostats?
Trust our genuine thermostats to deliver expert-engineered quality, dependable performance, and perfect compatibility for your Onan, Cummins, or Fleetguard diesel engine cooling needs.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
ONAN 1856005 THERMOSTAT ASSEMBLY ONAN Genuine OEM Part
ONAN
$87.89$80.29Genuine ONAN OEM Thermostat Assembly designed to meet exacting original specifications. Regulates engine coolant temperature to optimize performance and prevent overheating. Enhances engine...$87.89$80.29 -
ONAN A046Z961 THERMOSTAT ONAN Genuine OEM Part
ONAN
$78.85$72.03100% authentic ONAN OEM replacement part Regulates engine temperature for steady operation Helps prevent overheating and engine wear Engineered to maintain Cummins and Onan power system...$78.85$72.03 -
ONAN A047E410 THERMOSTAT ONAN Genuine OEM Part
ONAN
$59.79$54.62Genuine Cummins/Onan OEM thermostat ensuring precise engine temperature regulation Controls coolant flow to prevent overheating and promote efficient engine operation Enhances engine longevity and...$59.79$54.62 -
ONAN 1530640 TEMPERATURE SENSOR ONAN Genuine OEM Part
ONAN
$19.35$17.68Certified Genuine OEM replacement part from ONAN Precisely monitors engine temperature to prevent overheating Contributes to efficient engine management and fuel economy Engineered excellence...$19.35$17.68 -
CUMMINS 3928499 THERMOSTAT CUMMINS Genuine OEM Part
CUMMINS
$124.35$113.59Authentic Cummins OEM thermostat engineered for seamless fit and optimal compatibility. Regulates coolant flow to maintain ideal engine operating temperatures under various load conditions. Enhances...$124.35$113.59 -
CUMMINS 5292748 THERMOSTAT CUMMINS Genuine OEM Part
CUMMINS
$121.78$111.25100% Genuine OEM Cummins/Onan component engineered for perfect compatibility. Precisely regulates engine temperature to maintain efficient and safe operation. Improves fuel economy and protects...$121.78$111.25 -
CUMMINS 5292708 THERMOSTAT CUMMINS Genuine OEM Part
CUMMINS
$65.04$59.41Authentic Cummins OEM thermostat designed for exact compatibility and peak performance. Regulates engine temperature to maintain optimal operating conditions and prevent overheating. Improves fuel...$65.04$59.41 -
ONAN 3090436 THERMOSTAT ONAN Genuine OEM Part
ONAN
$135.98$124.22This is a Genuine ONAN OEM Part, crafted to meet exact Cummins/Onan specifications. Regulates engine temperature efficiently, protecting your generator from overheating risks. Enhances fuel economy...$135.98$124.22 -
ONAN 1307355 THERMOSTAT ONAN Genuine OEM Part
ONAN
$111.13$101.52100% Genuine ONAN OEM thermostat engineered for perfect fit and durability Regulates coolant temperature to maintain optimal engine performance Helps prevent overheating and engine damage in...$111.13$101.52 -
ONAN 3090601 THERMOSTAT ONAN Genuine OEM Part
ONAN
$187.24$171.04Genuine OEM ONAN 309-0601 thermostat designed by Cummins/Onan for exact fit and performance. Maintains precise engine temperature control to safeguard against overheating and ensure consistent...$187.24$171.04 -
CUMMINS 5337967 THERMOSTAT Original OEM part
CUMMINS
$31.68$28.94Precision-engineered to maintain optimal engine temperature under all conditions Ensures efficient fuel use and lowers emissions by regulating coolant flow accurately Certified genuine OEM part from...$31.68$28.94 -
CUMMINS 5274350 THERMOSTAT Original OEM part
CUMMINS
$140.94$128.75Precision Cooling Control for Engine Longevity Reliable, OEM-Certified Thermostat for Seamless Compatibility Durable Construction to Withstand Demanding Operating Conditions Manufactured by Cummins...$140.94$128.75 -
CUMMINS 4318947 CUMMINS Genuine OEM Part
CUMMINS
$129.79$118.57Certified Genuine Cummins OEM component ensuring exact compatibility Regulates engine temperature to maintain optimal operational conditions Enhances overall engine efficiency by supporting thermal...$129.79$118.57 -
CUMMINS 4058195 THERMOSTAT Original OEM part
CUMMINS
$194.75$177.90Engineered for seamless integration and peak engine temperature regulation Durable construction for consistent thermal management under demanding conditions 100% OEM Cummins product ensuring full...$194.75$177.90 -
CUMMINS 3934373 THERMOSTAT Original OEM part
CUMMINS
$120.80$110.36Engineered for reliable temperature regulation under all operating conditions Precision fit and finish guarantee seamless integration and optimal engine health 100% genuine OEM Cummins quality...$120.80$110.36 -
CUMMINS 3046865 THERMOSTAT SEAT Original OEM part
CUMMINS
$94.56$86.38Precision engineered for dependable engine temperature control Durable construction ensures long-lasting performance under demanding conditions Designed specifically to maintain seamless...$94.56$86.38 -
ONAN 1307875 THERMOSTAT Original ONAN/CUMMINS OEM part
ONAN
$28.52$26.05Engineered for Excellence: Experience unmatched temperature control designed specifically for your ONAN generator system. Durability that Counts: Built to withstand rigorous conditions, protecting...$28.52$26.05 -
CUMMINS 5337966 THERMOSTAT CUMMINS Genuine OEM Part
CUMMINS
$25.46$23.26Genuine OEM Cummins part engineered for precise fit and durability Maintains optimal engine operating temperature for peak performance Improves fuel economy and reduces engine wear by preventing...$25.46$23.26 -
CUMMINS 5292742 THERMOSTAT Original OEM part
CUMMINS
$88.40$80.76Precision performance for enduring power solutions Engine-optimized temperature control for efficient operation Corrosion-resistant construction designed to last under demanding...$88.40$80.76 -
CUMMINS 5292738 THERMOSTAT Original OEM part
CUMMINS
$107.42$98.13Engineered for precision and reliability to keep your Cummins power running smoothly. Ensures optimal engine temperature regulation for enhanced fuel economy and reduced emissions. Fabricated from...$107.42$98.13 -
CUMMINS 5284903 THERMOSTAT Original OEM part
CUMMINS
$135.38$123.67Cummins 5284903 - THERMOSTAT MINS5284903 Find the authentic 5284903 - THERMOSTAT for your outdoor equipment at our store. Crafted by Cummins, this part ensures top-notch performance and durability...$135.38$123.67 -
CUMMINS 4309185 THERMOSTAT Original OEM part
CUMMINS
$168.75$154.15Cummins 4309185 - THERMOSTAT MINS4309185 Whether you are in need of a replacement thermostat for your outdoor equipment, look no further than the 4309185 - THERMOSTAT by Cummins. Our store offers...$168.75$154.15 -
CUMMINS 3946849 THERMOSTAT Original OEM part
CUMMINS
$115.59$105.60Authentic Performance Guaranteed—Experience seamless engine temperature control. Precision-engineered design crafted to maintain optimal operating temperatures. Built exclusively as an OEM Cummins...$115.59$105.60 -
ONAN 3090673 THERMOSTAT HIGH COOLANT TEMPERATURE Original ONAN/CUMMINS OEM part
ONAN
$235.04$214.71Cummins THERMOSTAT HIGH COOLANT TEMPERATURE 309-0673 Find peace of mind knowing that the original Cummins THERMOSTAT HIGH COOLANT TEMPERATURE with SKU 309-0673 is readily available at our online...$235.04$214.71 -
ONAN 3090437 THERMOSTAT Original ONAN/CUMMINS OEM part
ONAN
$215.60$196.96Experience dependable cooling control with the precision-engineered ONAN 309-0437 thermostat Maintain optimal engine temperature to enhance fuel efficiency and reduce emissions Genuine OEM part...$215.60$196.96 -
ONAN 1866193 THERMOSTAT G Original ONAN/CUMMINS OEM part
ONAN
$161.15$147.21Cummins THERMOSTAT G 186-6193 Find genuine quality with the "THERMOSTAT G" by Cummins (SKU: 186-6193) right here. Our store is your ultimate destination for authentic replacement parts. This product...$161.15$147.21 -
ONAN 1305258 THERMOSTAT 85 DEGREE C ONAN Genuine OEM Part
ONAN
$103.94$94.95Genuine ONAN OEM thermostat designed specifically for reliable engine temperature regulation. Ensures precise activation at 85 degrees Celsius to maintain optimal engine operating temperatures...$103.94$94.95 -
ONAN T8.17.117275 RESISTANCE THERMOMETER Original ONAN/CUMMINS OEM part
ONAN
$1,741.59$1,590.95Cummins RESISTANCE THERMOMETER T8.17.117-275 When it comes to finding authentic replacement parts like the RESISTANCE THERMOMETER SKU T8.17.117-275 by Cummins, our online store stands out as the top...$1,741.59$1,590.95 -
ONAN T8.17.029.250 THERMOMETER Original ONAN/CUMMINS OEM part
ONAN
$306.37$279.87Cummins THERMOMETER T8.17.029.250 Find the original Cummins THERMOMETER with SKU T8.17.029.250 at our online store. Our top-quality replacement part is perfect for your outdoor equipment needs...$306.37$279.87 -
ONAN 7059113 THERMISTOR 180C Original ONAN/CUMMINS OEM part
ONAN
$26.07$23.82Cummins THERMISTOR 180C 70-59113 Find the genuine Cummins THERMISTOR 180C, SKU 70-59113, at our store, your top choice for authentic replacement parts. Our commitment to quality ensures that you get...$26.07$23.82 -
ONAN 7059105 THERMISTOR 170C Original ONAN/CUMMINS OEM part
ONAN
$26.07$23.82Cummins THERMISTOR 170C 70-59105 Our store is proud to offer the original Cummins THERMISTOR 170C with SKU 70-59105, ensuring top-notch quality and compatibility for your outdoor equipment...$26.07$23.82 -
CUMMINS 4378317 THERMOSTAT Original OEM part
CUMMINS
$164.00$149.82Cummins 4378317 - THERMOSTAT MINS4378317 Ideal for ensuring optimal performance of your outdoor equipment, the 4378317 - THERMOSTAT by Cummins is a genuine replacement part that guarantees perfect...$164.00$149.82 -
CUMMINS 5612165 THERMOSTAT Original OEM part
CUMMINS
$175.10$159.96Precision-engineered to maintain optimal engine temperature for reliable power delivery Enhances fuel economy and reduces emissions by ensuring efficient engine warm-up Durable construction designed...$175.10$159.96 -
CUMMINS 5579066 THERMOSTAT KIT Original OEM part
CUMMINS
$386.05$352.66Precision in every degree—engineered to maintain optimal temperature control. Reliable temperature regulation for enhanced engine efficiency and longevity. Durable construction ensures consistent...$386.05$352.66 -
CUMMINS 5540844 THERMOSTAT Original OEM part
CUMMINS
$146.53$133.85Engineered Precision for Unmatched Performance Maintains Optimal Engine Temperature to Prevent Overheating Durable Design Enhances Longevity Under Demanding Conditions 100% Genuine OEM CUMMINS...$146.53$133.85 -
CUMMINS 4380937 THERMOSTAT RETAINER Original OEM part
CUMMINS
$276.80$252.86Precision engineered for uncompromising engine efficiency Durable thermostat retainer designed to withstand demanding thermal cycles Ensures secure thermostat placement for optimal temperature...$276.80$252.86 -
CUMMINS 4380925 THERMOSTAT RETAINER Original OEM part
CUMMINS
$317.29$289.85Cummins 4380925 - THERMOSTAT RETAINER MINS4380925 Our store proudly offers the original Cummins 4380925 - THERMOSTAT RETAINER, ensuring top-notch quality and compatibility for your outdoor equipment...$317.29$289.85 -
CUMMINS 3928639 THERMOSTAT Original OEM part
CUMMINS
$108.08$98.73Precision-engineered for exact temperature control under demanding conditions Durable construction ensures consistent engine protection and fuel efficiency Direct OEM replacement from Cummins...$108.08$98.73 -
CUMMINS 3076489 THERMOSTAT Original OEM part
CUMMINS
$157.64$144.00Cummins 3076489 - THERMOSTAT MINS3076489 Offering the original "3076489 - THERMOSTAT" by Cummins, our store ensures top-quality replacement parts for your outdoor equipment needs. With a focus on...$157.64$144.00 -
ONAN T8.17.029.300 THERMOMETER Original ONAN/CUMMINS OEM part
ONAN
$300.99$274.96Cummins THERMOMETER T8.17.029.300 When it comes to precise temperature measurements, the Cummins THERMOMETER (SKU: T8.17.029.300) is a top-quality choice. With this original part from our store, you...$300.99$274.96